December Weather in Ebetsu, Japan

Last updated: August 23, 2025

In Ebetsu, Japan, the average temperature in December settles at a chilly -1°C (30°F). Expect lows of -12°C (10°F) and highs reaching up to 13°C (56°F). During this month, precipitation totals approximately 66 mm (2.6 in) over 19 days, paired with an average humidity of 80%. Be prepared to bundle up and stay dry!

December Temperature in Ebetsu

In December in Ebetsu, the average temperature is -1°C (30°F), with maximums reaching 13°C (56°F) and minimums plummeting to -12°C (10°F). Travelers should be prepared for cold weather and fluctuating temperatures during this time.

December Weather in Ebetsu: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Ebetsu, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Ebetsu, December typically has an average temperature of -1°C (30°F), with highs reaching up to 13°C (56°F) and lows dropping to around -12°C (10°F).

Data source: Temperature data for Ebetsu generated using information from the Copernicus Climate Change Service.

December Precipitation in Ebetsu

In Ebetsu in December, the precipitation amount is 66 mm (2.6 in) over the course of 19 days.

December Precipitation Trends in Ebetsu

The chart displays monthly precipitation patterns in Ebetsu, with values for each month alongside December’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December’s conditions compare to those of other months. In Ebetsu, December typically receives around 66 mm (2.6 inches) of precipitation spread over approximately 19 days.

Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

December Humidity in Ebetsu

In Ebetsu in December, humidity is 80%. With an average temperature of -1°C (30°F), this humidity feels like an uncomfortable chill that seeps into your bones, making outdoor activities less enjoyable and travel quite challenging.

December Average Humidity in Ebetsu

This chart illustrates the average monthly humidity levels in Ebetsu, with December’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In December, average humidity in Ebetsu is approximately 80%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Ebetsu

In Ebetsu in December, the maximum UV index is 2, which corresponds to a low exposure category. With this level of UV radiation, the time to burn is approximately 45 minutes. To learn more about the hourly UV index in Ebetsu, you can visit Hourly UV Index in Ebetsu.

Maximum UV Index Levels in Ebetsu for December

The chart shows the monthly maximum UV Index (UVI) for Ebetsu in December, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In December, the maximum UV index in Ebetsu typically reaches 2, which falls under the low exposure category.

Data source: Ebetsu December UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

Extreme (11+): Avoid the sun, stay in shade.
Very High (8-10): Limit sun exposure.
High (6-7): Use SPF 30+ and protective clothing.
Moderate (3-5): Midday shade recommended.
Low (0-2): No protection needed.

How December Weather in Ebetsu Compares to Other Months

Weather in Ebetsu varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Ebetsu, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Ebetsu, showing how December’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	-5°C (24°F)	42 mm (1.7 inches)	84%	low
February Weather	-4°C (25°F)	52 mm (2.0 inches)	83%	moderate
March Weather	1°C (35°F)	75 mm (3.0 inches)	81%	high
April Weather	6°C (44°F)	78 mm (3.1 inches)	81%	high
May Weather	12°C (55°F)	84 mm (3.3 inches)	86%	very high
June Weather	16°C (61°F)	105 mm (4.1 inches)	87%	very high
July Weather	20°C (69°F)	102 mm (4.0 inches)	93%	very high
August Weather	21°C (71°F)	177 mm (7.0 inches)	95%	very high
September Weather	18°C (65°F)	107 mm (4.2 inches)	88%	very high
October Weather	12°C (54°F)	111 mm (4.4 inches)	83%	moderate
November Weather	6°C (42°F)	102 mm (4.0 inches)	79%	moderate
December Weather	-1°C (30°F)	66 mm (2.6 inches)	80%	low